Mortgage interest deduction, corporate subsidies and tax breaks to large companies that employ that web designer, governmental subsidized infrastructure
Also, the kind of society, economy and marketplaces created by the existence of such a stable government (and society) that creates the demand and the need for the existence of web properties that would require a web designer to create them. I mean, come on at some point there was 'webvan' that delivered groceries to your doorstep. In somalia, you walk miles to get some or you grow your own ! And that is just one example. Even in developing countries like India, ecommerce is just picking up now a days. Few years back such 'conveniences' were non-existent, meaning no need for 'web-designers' in such a society.